Artificial tooth.



I zen of the United States, residing at Kansas that class which issimple and economical in scribed and pointed out in the claims, refer;

- is a side view of same.

, 1 designates a tooth body which is composed To all whom it mayconcern:

sanie',-lreferencebeing had to'the accompany-' of reference markedthereon, which form a 1ngs formm, part of EhIS SPGCIiICHlLIOH 1n thebacking plate. Fig. V isa similar view tion of the tooth.

"I1SG of which will presently be described.

FRANK D. CASE, OF KANSAS CITY, MISSOURI.

ARTIFICIAL 'roo'rn'. V

Specification of Letters latent.

Patented Nov. a4, 1905.

Application filed A ia 13, 1908. semi No. 426,722.

Be it known that I, F RANK D. Case, citi- City, in the county ofJackson. and State of Missouri, have invented certain new and use--fullmprovements in Artificial Teeth; and 1 do declare the following tobe a full, clear, and exact description of the invention, such which itappertains to make and use the ing drawings, and to the letters andfigures part of this specification. Y My invention relates to anart1fic1al tooth, and has for its object lDOPI'OVldG a device of bothconstruction and use, and which may be firmly and permanently attachedto a plate, bridge or-hke body. In acrmmplishing this object I haveprovided theimproved details of structure which will presently befullyilieence being had to the accompanying draw-.

which 1- Figure I is a rear view of a tooth constructed according to myinvention. Fig. 11 Fig. III is a side perspective view of the porcelainor like body from which the attaching backing has been-removed. Fig. IVis a similar-view of of the backing with solder added. Referring more indetail to the parts of porcelain or like material and the back of whichis shaped in such manner, preferably in the line shown in drawings, toprovide for the application of a metal backing member that is betteradapted for attachment to a plate or like body than is the porcelainpor- Anchored or baked in and projecting from the face of the cut awayportion of said porcelain body is a bar 2, the

Fitting against the cut away face of body 1 is a thin plate or backing 3of metal which can be'readily swaged to the tooth body, and allowpenetration of bar 2, the inner surfa e ct which follows the contour ofthe cut away face. of the porcelain body member, while its outer face isrounded to the curve of a natural tooth byapplying metal preferablycomposed of solder in order that it may be made to unite an ordinarytooth-plate,bridge, etc, and to the metal plate 3 that is attached tothe described tooth body.

-While I have described the plate 3 as comosed of a suitable metal,'Ipreferably form )oth said plate and the permanent bar 2 of platinum, assuch material has been found to e best adapted for the uses noted; theadded metal being preferably composed of solder readily shaped to adesired form, and may be quickly, easily and permanently attached to theplate 3, bar 2, and to a tooth plate, bridge, etc. in amannerfreadilyapparent to those familiar with this class of work. Inform: ing the tooth, the bar 2 may be baked with the porcelain or likebody member, or a socket may be formed in the tooth body and the baranchored therein after the body has been baked.

After the bar 2 has been applied to the body 1, the platinum or likeplate 3 is placed over the bar and swag'ed or otherwise permanentlysecured to body 1, a slot 3 being cut in such plate to furnish thepassage of the bar therethrough, or the plate being forced there for thereason that such material may be against until pierced by the bart'ogain the Y 7 lain body member having an inset shoulder at the rearand above its free end, a back plate having a lip adapted to seat onsaid shoulder and provided with a flange adapted to hook over therootend of said body, a backing carried by said plate, and a baranchored in both the body and backing and projected through said plate,substantially as pin-pose set forth.

And for the purpose set 01111.

2. An artificial tootli oonipriaing :1 porcelaln body, having a portionof lts IGilLiaC/fi cut away, an attaching plate carried by the cut awayrear face of said body, :in attaching poiqtion of solder attached tosaid plate and 1 bar anchored in said body portion and pro f in presonceof two Witnesws jecting through Si tld attaching plate into said portionof solder, substantially as and for Clio In testimony Wl'lOIOOf l afiixmy signature FRANK D. CASE. Vitnossos (11mm; TAYLOR,

llAnou) E. Rmumms,

